Files
dc-project/src/main/kotlin/fr/dcproject/application/Converters.kt
2021-04-16 16:09:59 +02:00

43 lines
1.3 KiB
Kotlin

package fr.dcproject.application
import fr.dcproject.application.http.BadRequestException
import fr.dcproject.application.http.HttpErrorBadRequest
import fr.dcproject.application.http.HttpErrorBadRequest.InvalidParam
import io.ktor.features.DataConversion
import io.ktor.http.HttpStatusCode
import io.ktor.util.KtorExperimentalAPI
import java.util.UUID
private typealias ConverterDeclaration = DataConversion.Configuration.() -> Unit
@KtorExperimentalAPI
val converters: ConverterDeclaration = {
convert<UUID> {
decode { values, _ ->
try {
values.singleOrNull()?.let { UUID.fromString(it) }
} catch (e: Throwable) {
throw BadRequestException(
HttpErrorBadRequest(
HttpStatusCode.BadRequest,
invalidParams = listOf(
InvalidParam(
"ID",
"must be UUID"
)
)
)
)
}
}
encode { value ->
when (value) {
null -> listOf()
is UUID -> listOf(value.toString())
else -> throw InternalError("Cannot convert $value as UUID")
}
}
}
}